
Description: RetroBSD is an open source recreation of the historical BSD operating systems from the 1970s through early 1990s. It is lightweight, portable, and aims to recreate the look, feel, and functionality of older BSD systems.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: macOS is Apple's operating system for Macintosh computers and laptops. It provides a graphical user interface and supports multi-touch gestures, full-screen apps, notification center, and multiple workspaces.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API